A ‘stroker’ is a power operated fuel ___ mechanism
The spreader stroker, secondary air is supplied
The following is not a pulverized fuel burner.
In which of the following type of burner, liquid fuel is raised by capillary action?
A Fluidised bed may be defined as the bed of ______ particles
The following is (are) ash handling system(s)
The following is dry type dust collectors
The major constituent of fly ash is
The draught produced by the chimney if due to the ____ difference between the column of hot gases inside the chimney and the cold air outside.
Leaf springs absorb shocks by
Coil springs absorb shocks by
The following is a type of leaf springs
The material used for making torsion bar is
Shackles are sort of
The main function of a fuse is to
SF6 gas
The arcing contacts in a circuit breaker are made of
Which of the following medium is employed for extinction of arc in air circuit breaker ?
Thermal circuit breaker has
Relays can be designed to respond to changes in
Overload relays are of…… type.
With which of the following, a circuit breaker must be equipped for remote operation ?
Fault diverters are basically
A thermal protection switch can protect against
Thermal overload relays are used to protect the motor against over current due to
